1. Introduction
This manual provides instructions for the safe and efficient operation, installation, and maintenance of your BDJSN 5000W 12V Portable All-in-One Diesel Air Heater. Please read this manual thoroughly before using the product and retain it for future reference. This heater is designed to provide auxiliary heating for various vehicles including trucks, boats, buses, cars, trailers, and RVs.
2. Safety Information
Adherence to the following safety guidelines is crucial for preventing injury and damage to the heater or vehicle.
- Ensure proper ventilation when operating the heater to prevent carbon monoxide buildup.
- Do not operate the heater in enclosed spaces without adequate airflow.
- Keep flammable materials at a safe distance from the heater's exhaust and air outlets.
- Verify that the power supply matches the heater's requirements (12V).
- Regularly inspect fuel lines and connections for leaks or damage.
- Do not modify the heater or its components. Use only genuine replacement parts.
- In case of malfunction or unusual odors, immediately turn off the heater and disconnect the power supply.
- The heater is equipped with short circuit and high temperature warning systems for enhanced safety.

Figure 2.1: Safety protection features of the diesel heater, including smart thermostat, silent operation, over-temperature, and short-circuit protection.
3. Product Features
The BDJSN 5000W Diesel Air Heater incorporates several features designed for efficient and safe heating:
- Low Noise Operation: Features a silent fan and oil pump, with blower speed control to minimize operational noise.
- Fast Heating: Capable of rapid heat generation with a maximum power of 5KW, suitable for temperatures ranging from -40°C to 60°C.
- Intelligent Constant Temperature System: Maintains a stable temperature, effective even in high-altitude areas.
- Remote Control: Allows for preheating, adjustment of fuel volume, temperature, and wind speed from up to 40 meters away.
- LCD Display: A large screen display provides clear operational status and warnings.
- Portable Design: Compact structure with a 5L fuel tank, making it easy to install, move, and transfer between vehicles.
- Safety Protections: Includes short circuit and high temperature warning systems.

Figure 3.1: Illustration of the heater's air circulation, showing cold air intake and hot air output.

Figure 3.2: Detailed view of the LCD control panel, displaying operational parameters.
4. Specifications
| Parameter | Value |
|---|---|
| Product Name | Parking Heater |
| Model | 5000W 12V Portable All-in-One Diesel Air Heater |
| Working Voltage | 12V |
| Power | 5KW |
| Air Volume | 150-200 m³/h (estimated) |
| Heating Temperature Range | -40°C to 60°C |
| Fuel Tank Capacity | 5 Liters |
| Dimensions (L x W x H) | 380mm x 250mm x 260mm (approximate) |
| Manufacturer | BDJSN |
| ASIN | B0CNPCYPWV |

Figure 4.1: Approximate dimensions of the BDJSN 5000W Diesel Air Heater.
5. Setup
Proper setup is essential for the safe and effective operation of your diesel heater.
- Placement: Choose a stable, level surface for the heater. Ensure adequate clearance around the air intake and exhaust outlets to prevent obstruction and allow for proper airflow.
- Fuel Connection: Fill the integrated 5L fuel tank with clean diesel fuel. Ensure the fuel cap is securely tightened. Avoid overfilling.
- Power Connection: Connect the heater to a 12V DC power source. Ensure the connection is secure and polarity is correct.
- Exhaust System: Position the exhaust pipe away from flammable materials and ensure it vents outdoors or into a well-ventilated area, preventing exhaust gases from entering the vehicle or living space.
- Air Ducts (if applicable): Connect any hot air ducts to the heater's outlets and direct them to the desired heating area. Ensure ducts are not kinked or blocked.
- Initial Start-up: Before first use, allow the fuel pump to prime by running the heater for a short period (refer to operating instructions). This ensures fuel reaches the combustion chamber.
6. Operating Instructions
Follow these steps to operate your BDJSN diesel air heater.
- Power On: Press the power button on the LCD control panel or the remote control to turn on the heater. The display will illuminate.
- Preheating (Optional): If equipped, activate the preheating function via the remote control or control panel. This helps in cold conditions.
- Adjust Settings: Use the control panel buttons or remote control to adjust the desired temperature, fan speed, and fuel volume. The LCD display will show current settings.
- Monitoring: Observe the LCD display for operational status, temperature, voltage, and any warning indicators (e.g., short circuit, high temperature).
- Remote Control Usage: The remote control allows for convenient adjustment of settings from a distance of up to 40 meters. Ensure a clear line of sight for optimal signal.
- Power Off: To turn off the heater, press the power button. The heater will enter a cool-down cycle to prevent overheating of components. Do not disconnect power until the cool-down cycle is complete.

Figure 6.1: Operating the diesel heater using the remote control.
7. Maintenance
Regular maintenance ensures the longevity and efficient operation of your heater.
- Cleaning: Periodically clean the exterior of the heater with a damp cloth. Ensure air intake and exhaust vents are free from dust and debris.
- Fuel Filter: Inspect and clean or replace the fuel filter as needed, typically before the heating season or after extended use.
- Air Filter: Check and clean the air intake filter to ensure unrestricted airflow.
- Exhaust System: Inspect the exhaust pipe for any blockages, corrosion, or damage. Ensure all connections are secure.
- Electrical Connections: Verify that all electrical connections are tight and free from corrosion.
- Storage: When storing the heater for extended periods, ensure the fuel tank is empty or filled with fresh fuel and the heater is clean and dry.
8. Troubleshooting
This section addresses common issues you might encounter with your diesel heater.
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not start | No power, low fuel, clogged fuel line, faulty glow plug. | Check 12V power connection. Refill fuel tank. Inspect fuel lines and filter. Consult a technician if glow plug is suspected. |
| Low heat output | Clogged air intake/exhaust, incorrect settings, low fuel quality. | Clear obstructions from air intake/exhaust. Adjust temperature settings. Use high-quality diesel fuel. |
| Excessive smoke | Poor combustion, incorrect fuel-air mixture, carbon buildup. | Ensure proper ventilation. Clean combustion chamber (professional service recommended). Use correct fuel. |
| Unusual noise | Loose components, fan obstruction, worn bearings. | Check for loose parts. Clear any obstructions from the fan. If noise persists, professional inspection is advised. |
| Error code on LCD | Specific system fault (e.g., short circuit, high temperature). | Refer to the heater's specific error code list (if available) or contact support with the displayed code. Address the underlying issue (e.g., cool down if overheating). |
If you encounter issues not listed here or if troubleshooting steps do not resolve the problem, please contact customer support.
9. Warranty Information
Warranty terms and conditions for the BDJSN 5000W 12V Portable All-in-One Diesel Air Heater are provided by the seller or manufacturer at the time of purchase. Please refer to your purchase documentation or contact the retailer for specific details regarding warranty coverage, duration, and claims procedures.
10. Customer Support
For technical assistance, parts, or service inquiries, please contact the seller or manufacturer directly. Have your product model number (5000W 12V Portable All-in-One Diesel Air Heater) and ASIN (B0CNPCYPWV) ready when contacting support to expedite assistance.
Manufacturer: BDJSN